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| PRELIMINARY TECHNICAL DATA Precision Very Low Noise Low Input Bias Current Operational Amplifiers Preliminary Technical Data AD8671/AD8672/AD8674 FEATURES Low Noise: 3nV/Hz Wide Bandwidth: 10MHz Low Input Bias Current: 10nA max. Low Offset Voltage: 75 V max. High open loop gain: 135dB Low Supply Current: 3 mA/Amp Dual supply operation: 5V to 15V Unity Gain Stable No Phase Reversal APPLICATIONS PLL filters Instrumentation Sensors and Controls Professional quality audio available in 14-lead TSSOP and narrow 14-lead SO packages. Surface mount devices in TSSOP and MSOP packages are available in tape and reel only. PIN CONFIGURATIONS 8-Lead MSOP (RM-8) 8-Lead SO (R-8) AD8671 AD8672 GENERAL DESCRIPTION 8-Lead SO (R-8) 14-Lead TSSOP (RU-14) The AD8671, AD8672 and AD8674 are precision single, dual and quad amplifiers featuring very low noise, very low offset voltage and drift, low input bias current, 10Mhz bandwidth and low power consumption. Outputs are stable with capacitive loads of over 100pF. Supply current is less than 3 mA per amplifier at 30V. Applications for these amplifiers include high quality PLL filters, instrumentation--thermocouple, RTD, strain-bridge and other sensor signal conditioning-precision filters and professional quality audio. The AD8671, AD8672 and AD8674 are specified over the extended industrial (-40 to +125C) temperature range. The AD8671, single, is available in the 8-lead MSOP and 8-lead SOIC packages. The AD8672, dual, is available in the 8-lead MSOP and 8-lead SOIC packages. The AD8674, quad, is Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. AD8671 AD8674 8-Lead MSOP (RM-8) 14-Lead SO (R-14) AD8672 AD8674 One Technology Way, PO Box 9106, Norwood, MA 02062-9106, USA Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 (c) Analog Devices, Inc., 1997 AD8671/AD8672/AD8674 Rev 0.2 2/21/02 PRELIMINARY TECHNICAL DATA Preliminary Technical Data AD8671/AD8672/AD8674 ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low Output Current POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density Symbol VOS -40< T A < +125C IB IOS CMRR AVO VOS/T VOH VOL IOUT PSRR ISY VS = 2.5 V to 15 V VO = 0V -40 Rev0.2 2/21/02 PRELIMINARY TECHNICAL DATA Preliminary Technical Data AD8671/AD8672/AD8674 ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low Output Current Short Circuit Current POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product NOISE PERFORMANCE Voltage Noise Voltage Noise Density Current Noise Density Symbol VOS -40< T A < +125C IB IOS CMRR AVO VOS/T VOH VOL IOUT ISC PSRR ISY VS = 2.5 V to 15 V VO = 0V -40 Rev0.2 2/21/02 PRELIMINARY TECHNICAL DATA Preliminary Technical Data AD8671/AD8672/AD8674 ABSOLUTE MAXIMUM RATINGS 1 Supply voltage ............................................................................36V Input Voltage....................................................................Vs- to Vs+ Differential Input Voltage ......................................................... TBD Output Short-Circuit Duration .......................................... Indefinite Storage Temperature Range RM, R, RU Package .......................................-65C to +150C Operating Temperature Range AD8671/AD8672/AD8674............................-40C to +125C Junction Temperature Range RM, R, RU Package .......................................-65C to +150C Lead Temperature Range (Soldering, 60 Sec)........................+300C Package Type 8-pin MSOP (RM) 8-Pin SOIC (R) 14-Pin TSSOP (RU) 14-Pin SOIC (R) NOTES 1 Absolute maximum ratings apply at 25C, unless otherwise noted. 2 is specified for the worst case conditions, i.e., is specified for device soldered JA JA in circuit board for surface mount packages. JA 190 158 180 120 JC 44 43 35 36 Units C/W C/W C/W C/W ORDERING GUIDE Model AD8671ARM AD8671AR AD8672ARM AD8672AR AD8674ARU AD8674AR Temperature Range -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C Package Description 8-Pin MSOP 8-Pin SOIC 8-Pin MSOP 8-Pin SOIC 14-Pin TSSOP 14-Pin SOIC Package Option RM-8 R-8 RM-8 R-8 RU-14 R-14 AD8671/AD8672/AD8674 Rev0.2 2/21/02 |
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